**Weegy:** The answer is: B. ($32 + $45 + $39) ? 3. The average price is: $38.67. [smile]

**User:**
2. What is the cube of 8?
A. 512
B. 2
C. 24
D. 64

**Weegy:** D. 512

**User:**
3. What is the value of 324?
A. 648
B. 128
C. 1,048,576
D. 18

**User:**
4. What is the value of 7 to the fifth power?
A. 35
B. 2,401
C. 16,807
D. 78,125

**Weegy:** The value of 7 to the fifth power is C. 16,807.

**User:**
5. What is the value of 5.7 × 108?
A. 57,000,000
B. 5,700,000,000
C. 570,000,000
D. 5.70000000

**Weegy:** 5.7 ? 10^8 = B. 570,000,000

**User:**
6. In the equation R + 14 = 39, what is the value of R?
A. 546
B. 53
C. 24
D. 25

**Weegy:** In the equation R + 14 = 39, the value of R is 25. R + 14 = 39 R = 39 - 14 R = 25

**User:**
7. Which of the following is a composite number?
A. 139
B. 13
C. 91
D. 29

**Weegy:** 91 is a composite number.

**User:**
8. Which of the following numbers is a multiple of 6?
A. 882
B. 333
C. 106
D. 424

**Weegy:** 882 is a multiple of 6.

**User:**
9. According to the Wall Street Journal, 14,200,000 videotape copies of Walt Disney's Fantasia have been sold to date. Write that number in scientific notation.
A. 142 × 1,000,000
B. 1.42 × 106
C. 142 × 107
D. 1.42 × 107

**User:**
10. What are the prime factors of 700?
A. 2 × 2 × 5 × 5 × 7
B. 2 × 2 × 2 × 5 × 5 × 7
C. 350 × 2
D. 2 × 2 × 25 × 7

**Weegy:** The prime factors of 700 are A. 2 ? 2 ? 5 ? 5 ? 7

**User:**
11. Which of the following is a composite number?
A. 19
B. 0
C. 63
D. 1

**Weegy:** A. 63 is a composite number.

**User:**
12. What is 39 squared?
A. 1,521
B. 39
C. 78
D. 1,482

**User:**
13. There are 75 envelopes in a package. How many envelopes are there in 7 packages?
A. 10r 5
B. 625
C. 525
D. 552

**Weegy:** 75x7=525. The answer is A. 552.

**User:**
14. Which of the following is a composite number?
A. 61
B. 13
C. 31
D. 63

**Weegy:** The answer is letter D. 63
63 is divisible by 3, 8, 9, and 21 ...

(More)